package com.yicoollxing.common;

import java.io.Serializable;

import org.codehaus.jackson.annotate.JsonIgnore;
import org.codehaus.jackson.map.annotate.JsonSerialize;
import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;

@JsonSerialize(include=Inclusion.NON_NULL)
//保证json序列化的时候，如果是null对象，key也消失
public class ServerResponse<T> implements Serializable {
	private int status; // 0为成功，非0为失败
	private String msg;
	private T data;

	private ServerResponse(int status) {
		this.status = status;
	}

	private ServerResponse(int status, String msg) {
		this.status = status;
		this.msg = msg;
	}

	private ServerResponse(int status, String msg, T data) {
		this.status = status;
		this.msg = msg;
		this.data = data;
	}

	private ServerResponse(int status, T data) {
		this.status = status;
		this.data = data;
	}

	public int getStatus() {
		return this.status;
	}

	public String getMsg() {
		return this.msg;
	}

	public T getData() {
		return this.data;
	}
    
	@JsonIgnore
	//使之不再序列化结果中
	public boolean isSuccess() {
		return this.status == ResponseCode.Success.getCode();
	}

	public static <T> ServerResponse<T> createBySuccess() {
		return new ServerResponse<T>(ResponseCode.Success.getCode());
	}
	
	public static  <T>ServerResponse<T> createBySuccessMessage(String msg){
		return new ServerResponse<T>(ResponseCode.Success.getCode(),msg);
	}
	
	public static  <T>ServerResponse<T> createBySuccess(T data){
		return new ServerResponse<T>(ResponseCode.Success.getCode(),data);
	}
	
	public static  <T>ServerResponse<T> createBySuccess(String msg,T data){
		return new ServerResponse<T>(ResponseCode.Success.getCode(),msg,data);
	}
	
	public static <T>ServerResponse<T> createByError(){
		return new ServerResponse<T>(ResponseCode.Error.getCode(),ResponseCode.Error.getDesc());
	}
	
	public static <T>ServerResponse<T> createByErrorMessage(String errorMessage){
		return new ServerResponse<T>(ResponseCode.Error.getCode(),errorMessage);
	}
	
	public static <T>ServerResponse<T> createByErrorCodeMessage(int errorCode,String errorMessage){
		return new ServerResponse<T>(errorCode,errorMessage);
	}
}
